Anyway, I have connected a separate monitor to the video port on my laptop. It works fine but is a clone of my regular screen. I would like the desktop to spread across both monitors, or, perhaps, to have each screen operate independently.

xrandr --output <VGA-1> --right-of <default>Remember to replace the names of the outputs with yours.If this works, we can check out for an easier way. I think this will be improved in the next release of the Xfce Display Settings app.

Let us know how it works for you.HTH, Rodrigo

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"There is a concept which corrupts and upsets all others. I refer not to Evil, whose limited realm is that of ethics; I refer to the infinite."Jorge Luis Borges, Avatars of the Tortoise. --Jumalauta!!